WO2023022164A1 - Terminal, procédé de communication sans fil et station de base - Google Patents

Terminal, procédé de communication sans fil et station de base Download PDF

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Publication number
WO2023022164A1
WO2023022164A1 PCT/JP2022/031029 JP2022031029W WO2023022164A1 WO 2023022164 A1 WO2023022164 A1 WO 2023022164A1 JP 2022031029 W JP2022031029 W JP 2022031029W WO 2023022164 A1 WO2023022164 A1 WO 2023022164A1
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WO
WIPO (PCT)
Prior art keywords
pucch
transmission
control channel
uplink control
unit
Prior art date
Application number
PCT/JP2022/031029
Other languages
English (en)
Japanese (ja)
Inventor
優元 ▲高▼橋
聡 永田
チーピン ピ
ジン ワン
ラン チン
Original Assignee
株式会社Ｎｔｔドコモ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Ｎｔｔドコモ filed Critical 株式会社Ｎｔｔドコモ
Priority to CN202280070694.9A priority Critical patent/CN118235509A/zh
Priority to JP2023542420A priority patent/JPWO2023022164A1/ja
Priority to EP22858482.7A priority patent/EP4391689A1/fr
Publication of WO2023022164A1 publication Critical patent/WO2023022164A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • one of the objects of the present disclosure is to provide a terminal, a wireless communication method, and a base station that can suitably realize repeated transmission of PUCCH using a transmission time unit shorter than a slot.
  • N_PUCCH ⁇ repeat>1 the UE follows rules 1-1 to 1-3 below.
  • the UE repeats PUCCH transmission with UCI for N_PUCCH ⁇ repeat slots.
  • PUCCH transmissions in each of the N_PUCCH ⁇ repeat slots have the same number of consecutive symbols.
  • the number of symbols is specified in the number of symbols information element nrofsymbols in the PUCCH format 1 information element PUCCH-format1 or in the number of symbols information element nrofsymbols in the PUCCH format 3 information element PUCCH-format3 or in the PUCCH format 3 information element PUCCH-format3. provided by the number of symbols information element, nrofsymbols.
  • Subslot-based PUCCH repetition (Subslot-based PUCCH repetition) Rel. 17 that subslot-based PUCCH repetition is supported. For example, for subslot-based PUCCH, Rel. Subslot-based PUCCH repetition for HARQ-ACK is supported for 16 slot-based PUCCH procedures, Rel. It is being considered that dynamic repetition indication is also supported for subslot-based PUCCH in V.17, and PUCCH repetition for PUCCH formats 0 and 2 is supported for subslot-based PUCCH repetition.
  • the panel identifier (ID) and the panel may be read interchangeably.
  • ID and TRP may be read interchangeably.
  • ID and index may be read interchangeably.
  • the first embodiment describes a case where PUCCH repetition based on transmission time units shorter than a slot is supported for PUCCH resources corresponding to configuration information based on transmission time units shorter than the slot.
  • a time unit shorter than a slot may be read as a subslot, a minislot, a predetermined number of symbols, or a symbol set.
  • sub-slot-based PUCCH repetition will be described as an example of PUCCH repetition based on a transmission time unit shorter than a slot, but the present invention is not limited to this.
  • Subslot-based PUCCH repetition may be supported only for PUCCH resources corresponding to subslot-based PUCCH configuration information.
  • the PUCCH resource corresponding to the slot-based PUCCH configuration information may not be applied to the PUCCH repetition corresponding to the sub-slot base.
  • PUCCH resources may be configured separately for sub-slot-based PUCCH repetition and other PUCCHs (eg, slot-based PUCCH transmission/sub-slot-based PUCCH transmission).
  • Subslot-based PUCCH repetition may be transmitted in each subslot indicated by configuration information about the subslot length of PUCCH (eg, subslotLengthForPUCCH) (see FIG. 2).
  • the UE controls to perform PUCCH transmission in each subslot (7 symbols).
  • the second embodiment describes a case where sub-slot-based PUCCH repetition is supported for PUCCH resources corresponding to slot-based PUCCH configuration information/sub-slot-based PUCCH configuration information.
  • Subslot-based PUCCH setting information For sub-slot based PUCCH configuration information (e.g. sub-slot based PUCCH-Config), PUCCH repetition is per sub-slot indicated/defined by information on sub-slot length (e.g. higher layer parameter subslotLengthForPUCCH) may be done.
  • sub-slot based PUCCH configuration information e.g. sub-slot based PUCCH-Config
  • PUCCH repetition is per sub-slot indicated/defined by information on sub-slot length (e.g. higher layer parameter subslotLengthForPUCCH) may be done.
  • one of the information on the length of the first subslot (eg, subslotLengthForPUCCH) and the information on the length of the second subslot (eg, subslotLengthForPUCCHRepetition-r17) is set in the UE (or , are not set at the same time).
  • the UE applies no repetition transmission when the information about the length of the first subslot is configured, and applies subslot-based repetition transmission when the information about the length of the second subslot is configured. may be controlled to
  • UE capability information regarding whether to support subslot-based PUCCH repetition may be defined.
  • UE capability information regarding whether to support sub-slot-based PUCCH repetition for slot-based PUCCH configuration may be defined.
  • the user terminal 20 may connect to at least one of the multiple base stations 10 .
  • the user terminal 20 may utilize at least one of carrier aggregation (CA) using a plurality of component carriers (CC) and dual connectivity (DC).
  • CA carrier aggregation
  • CC component carriers
  • DC dual connectivity
  • the user terminal 20 may communicate using at least one of Time Division Duplex (TDD) and Frequency Division Duplex (FDD) in each CC.
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • the control unit 110 may control signal generation, scheduling (eg, resource allocation, mapping), and the like.
  • the control unit 110 may control transmission/reception, measurement, etc. using the transmission/reception unit 120 , the transmission/reception antenna 130 and the transmission line interface 140 .
  • the control unit 110 may generate data to be transmitted as a signal, control information, a sequence, etc., and transfer them to the transmission/reception unit 120 .
  • the control unit 110 may perform call processing (setup, release, etc.) of communication channels, state management of the base station 10, management of radio resources, and the like.
  • the transmitting/receiving section 120 may include a baseband section 121 , a radio frequency (RF) section 122 and a measuring section 123 .
  • the baseband section 121 may include a transmission processing section 1211 and a reception processing section 1212 .
  • the transmitting/receiving unit 120 is configured from a transmitter/receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transmitting/receiving circuit, etc., which are explained based on common recognition in the technical field according to the present disclosure. be able to.
  • the transmission/reception unit 120 may be configured as an integrated transmission/reception unit, or may be configured from a transmission unit and a reception unit.
  • the transmission section may be composed of the transmission processing section 1211 and the RF section 122 .
  • the receiving section may be composed of a reception processing section 1212 , an RF section 122 and a measurement section 123 .
  • the transmitting/receiving unit 120 may form at least one of the transmission beam and the reception beam using digital beamforming (eg, precoding), analog beamforming (eg, phase rotation), or the like.
  • digital beamforming eg, precoding
  • analog beamforming eg, phase rotation
  • the transmission/reception unit 120 (transmission processing unit 1211) performs Packet Data Convergence Protocol (PDCP) layer processing, Radio Link Control (RLC) layer processing (for example, RLC retransmission control), Medium Access Control (MAC) layer processing (for example, HARQ retransmission control), etc. may be performed to generate a bit string to be transmitted.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • HARQ retransmission control for example, HARQ retransmission control
  • this example mainly shows the functional blocks of the features of the present embodiment, and it may be assumed that the user terminal 20 also has other functional blocks necessary for wireless communication. A part of the processing of each unit described below may be omitted.
  • the control unit 210 controls the user terminal 20 as a whole.
  • the control unit 210 can be configured from a controller, a control circuit, and the like, which are explained based on common recognition in the technical field according to the present disclosure.
  • the transmission/reception unit 220 (reception processing unit 2212) performs analog-to-digital conversion, FFT processing, IDFT processing (if necessary), filtering, demapping, demodulation, decoding (error correction) on the acquired baseband signal. decoding), MAC layer processing, RLC layer processing, PDCP layer processing, and other reception processing may be applied to acquire user data and the like.
  • the transmitting/receiving unit 220 sets configuration information related to a first uplink control channel corresponding to the first transmission period unit and a second uplink control channel corresponding to a second transmission period unit shorter than the first transmission period unit. may receive at least one of:
  • the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 to the memory 1002, and executes various processes according to them.
  • programs program codes
  • software modules software modules
  • data etc.
  • the control unit 110 (210) may be implemented by a control program stored in the memory 1002 and running on the processor 1001, and other functional blocks may be similarly implemented.
  • the memory 1002 is a computer-readable recording medium, such as Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically EPROM (EEPROM), Random Access Memory (RAM), or at least any other suitable storage medium. may be configured by one.
  • the memory 1002 may also be called a register, cache, main memory (main storage device), or the like.
  • the memory 1002 can store executable programs (program code), software modules, etc. for implementing a wireless communication method according to an embodiment of the present disclosure.
  • a slot may contain multiple mini-slots. Each minislot may consist of one or more symbols in the time domain. A minislot may also be referred to as a subslot. A minislot may consist of fewer symbols than a slot.
  • a PDSCH (or PUSCH) transmitted in time units larger than a minislot may be referred to as PDSCH (PUSCH) Mapping Type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots and symbols all represent time units when transmitting signals. Radio frames, subframes, slots, minislots and symbols may be referred to by other corresponding designations. Note that time units such as frames, subframes, slots, minislots, and symbols in the present disclosure may be read interchangeably.
  • the long TTI (e.g., normal TTI, subframe, etc.) may be replaced with a TTI having a time length exceeding 1 ms
  • the short TTI e.g., shortened TTI, etc.
  • a TTI having the above TTI length may be read instead.
  • a Bandwidth Part (which may also be called a bandwidth part) represents a subset of contiguous common resource blocks (RBs) for a numerology on a carrier.
  • the common RB may be identified by an RB index based on the common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • BWP may include UL BWP (BWP for UL) and DL BWP (BWP for DL).
  • BWP for UL
  • BWP for DL DL BWP
  • One or multiple BWPs may be configured for a UE within one carrier.
  • the information, parameters, etc. described in the present disclosure may be expressed using absolute values, may be expressed using relative values from a predetermined value, or may be expressed using other corresponding information. may be represented. For example, radio resources may be indicated by a predetermined index.
  • information, signals, etc. can be output from a higher layer to a lower layer and/or from a lower layer to a higher layer.
  • Information, signals, etc. may be input and output through multiple network nodes.
  • Uplink Control Information (UCI) Uplink Control Information
  • RRC Radio Resource Control
  • MIB Master Information Block
  • SIB System Information Block
  • SIB System Information Block
  • MAC Medium Access Control
  • Software whether referred to as software, firmware, middleware, microcode, hardware description language or otherwise, includes instructions, instruction sets, code, code segments, program code, programs, subprograms, and software modules. , applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, and the like.
  • a “network” may refer to devices (eg, base stations) included in a network.
  • base station BS
  • radio base station fixed station
  • NodeB NodeB
  • eNB eNodeB
  • gNB gNodeB
  • Access point "Transmission Point (TP)”, “Reception Point (RP)”, “Transmission/Reception Point (TRP)”, “Panel”
  • a base station may also be referred to by terms such as macrocell, small cell, femtocell, picocell, and the like.
  • the base station in the present disclosure may be read as a user terminal.
  • communication between a base station and a user terminal is replaced with communication between multiple user terminals (for example, Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.)
  • the user terminal 20 may have the functions of the base station 10 described above.
  • words such as "uplink” and “downlink” may be replaced with words corresponding to communication between terminals (for example, "sidelink”).
  • uplink channels, downlink channels, etc. may be read as sidelink channels.
  • each aspect/embodiment described in the present disclosure may be used alone, may be used in combination, or may be used by switching along with execution. Also, the processing procedures, sequences, flowcharts, etc. of each aspect/embodiment described in the present disclosure may be rearranged as long as there is no contradiction. For example, the methods described in this disclosure present elements of the various steps using a sample order, and are not limited to the specific order presented.
  • determining includes judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiry ( For example, looking up in a table, database, or another data structure), ascertaining, etc. may be considered to be “determining.”
  • determining (deciding) includes receiving (e.g., receiving information), transmitting (e.g., transmitting information), input, output, access ( accessing (e.g., accessing data in memory), etc.
  • Maximum transmit power described in this disclosure may mean the maximum value of transmit power, may mean the nominal maximum transmit power (the nominal UE maximum transmit power), or may mean the rated maximum transmit power (the rated UE maximum transmit power).
  • connection refers to any connection or coupling, direct or indirect, between two or more elements. and can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled” to each other. Couplings or connections between elements may be physical, logical, or a combination thereof. For example, "connection” may be read as "access”.
  • radio frequency domain when two elements are connected, using one or more wires, cables, printed electrical connections, etc., and as some non-limiting and non-exhaustive examples, radio frequency domain, microwave They can be considered to be “connected” or “coupled” together using the domain, electromagnetic energy having wavelengths in the optical (both visible and invisible) domain, and the like.
  • a and B are different may mean “A and B are different from each other.”
  • the term may also mean that "A and B are different from C”.
  • Terms such as “separate,” “coupled,” etc. may also be interpreted in the same manner as “different.”

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention permet de préférence d'obtenir des transmissions répétées d'un PUCCH à l'aide d'une unité de temps de transmission plus courte qu'un intervalle. Un aspect de la présente divulgation concerne un terminal comprenant : une unité de réception destiné à recevoir des informations de configuration concernant un premier canal de commande de liaison montante correspondant à une première unité de période de transmission et/ou des informations de configuration concernant un second canal de commande de liaison montante correspondant à une seconde unité de période de transmission plus courte que la première unité de période de transmission ; et une unité de commande qui, lorsque des transmissions répétées du second canal de commande de liaison montante sont effectuées, détermine une ressource de canal de commande de liaison montante utilisée pour les transmissions répétées, sur la base des informations de configuration concernant le premier canal de commande de liaison montante et/ou des informations de configuration concernant le second canal de commande de liaison montante.
PCT/JP2022/031029 2021-08-20 2022-08-17 Terminal, procédé de communication sans fil et station de base WO2023022164A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202280070694.9A CN118235509A (zh) 2021-08-20 2022-08-17 终端、无线通信方法以及基站
JP2023542420A JPWO2023022164A1 (fr) 2021-08-20 2022-08-17
EP22858482.7A EP4391689A1 (fr) 2021-08-20 2022-08-17 Terminal, procédé de communication sans fil et station de base

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Application Number Priority Date Filing Date Title
JP2021-135133 2021-08-20
JP2021135133 2021-08-20

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WO2023022164A1 true WO2023022164A1 (fr) 2023-02-23

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JP (1) JPWO2023022164A1 (fr)
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200221448A1 (en) * 2019-01-07 2020-07-09 Kt Corporation Method and apparatus for transmitting and receiving uplink control information
US20200383105A1 (en) * 2019-05-24 2020-12-03 Samsung Electronics Co., Ltd. Method and device for transmitting control information in wireless communication system
JP2021135133A (ja) 2020-02-26 2021-09-13 セイコーエプソン株式会社 電子機器の制御方法および電子機器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200221448A1 (en) * 2019-01-07 2020-07-09 Kt Corporation Method and apparatus for transmitting and receiving uplink control information
US20200383105A1 (en) * 2019-05-24 2020-12-03 Samsung Electronics Co., Ltd. Method and device for transmitting control information in wireless communication system
JP2021135133A (ja) 2020-02-26 2021-09-13 セイコーエプソン株式会社 電子機器の制御方法および電子機器

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 (Release 8", 3GPP TS 36.300 V8.12.0, April 2010 (2010-04-01)
NTT DOCOMO, INC.: "Discussion on HARQ-ACK feedback enhancements for Rel.17 URLLC", 3GPP DRAFT; R1-2109671, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20211011 - 20211019, 1 October 2021 (2021-10-01), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052058612 *

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JPWO2023022164A1 (fr) 2023-02-23
EP4391689A1 (fr) 2024-06-26
CN118235509A (zh) 2024-06-21

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